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Gross Margin Analysis of Supplementary Feeding and Twinning in Tswana Goats

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Author(s): M. Monkhei | O. R. Madibela

Journal: Journal of Animal and Veterinary Advances
ISSN 1680-5593

Volume: 4;
Issue: 2;
Start page: 194;
Date: 2005;
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ABSTRACT
Data for this study was derived from a feeding experiment where the effect of nutrition on reproduction of Tswana goats was investigated. Gross margins were calculated for two groups of animals; Supplemented (S, n=19) and No supplementation (NS, n=20). The trial lasted nine months whereby a total of 69.4 kg/doe of sorghum stover base diet was offered to S group from mating to weaning. Fertility rate, kidding rate, survival rate to weaning and dam weight at weaning were not affected by supplementation (P>0.05). However, weaning weight of S kids tended (P=0.097) to be higher than NS kids (14.1 vs 12.3 kg). Productivity Index was higher (P
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